[INFO] fetching crate i2cdev 0.6.1...
[INFO] testing i2cdev-0.6.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate i2cdev 0.6.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate i2cdev 0.6.1
[INFO] finished tweaking crates.io crate i2cdev 0.6.1
[INFO] tweaked toml for crates.io crate i2cdev 0.6.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate i2cdev 0.6.1 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate i2cdev 0.6.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 676a3dc42671510b440ed052e286ba28b2a3bc3cf66c7f7f1ae0750a520eb31a
[INFO] running `Command { std: "docker" "start" "-a" "676a3dc42671510b440ed052e286ba28b2a3bc3cf66c7f7f1ae0750a520eb31a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "676a3dc42671510b440ed052e286ba28b2a3bc3cf66c7f7f1ae0750a520eb31a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "676a3dc42671510b440ed052e286ba28b2a3bc3cf66c7f7f1ae0750a520eb31a", kill_on_drop: false }`
[INFO] [stdout] 676a3dc42671510b440ed052e286ba28b2a3bc3cf66c7f7f1ae0750a520eb31a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c00d4b6a84e9d4983b9d9f6164643a07bd9bdc8afdff9f8b33e363625a3a70a
[INFO] running `Command { std: "docker" "start" "-a" "7c00d4b6a84e9d4983b9d9f6164643a07bd9bdc8afdff9f8b33e363625a3a70a", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling bitflags v2.3.3
[INFO] [stderr]    Compiling nix v0.26.2
[INFO] [stderr]    Compiling i2cdev v0.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.91s
[INFO] running `Command { std: "docker" "inspect" "7c00d4b6a84e9d4983b9d9f6164643a07bd9bdc8afdff9f8b33e363625a3a70a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c00d4b6a84e9d4983b9d9f6164643a07bd9bdc8afdff9f8b33e363625a3a70a", kill_on_drop: false }`
[INFO] [stdout] 7c00d4b6a84e9d4983b9d9f6164643a07bd9bdc8afdff9f8b33e363625a3a70a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 60ad16eacb935e72dc18f5b7c33b49414b078ce6e06ee9420fa1cc22dc8be89a
[INFO] running `Command { std: "docker" "start" "-a" "60ad16eacb935e72dc18f5b7c33b49414b078ce6e06ee9420fa1cc22dc8be89a", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling docopt v1.1.1
[INFO] [stderr]    Compiling i2cdev v0.6.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> examples/nunchuck.rs:61:13
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub struct NunchuckReading {
[INFO] [stdout]    |                --------------- fields in this struct
[INFO] [stdout] 61 |         pub joystick_x: u8,
[INFO] [stdout]    |             ^^^^^^^^^^
[INFO] [stdout] 62 |         pub joystick_y: u8,
[INFO] [stdout]    |             ^^^^^^^^^^
[INFO] [stdout] 63 |         pub accel_x: u16, // 10-bit
[INFO] [stdout]    |             ^^^^^^^
[INFO] [stdout] 64 |         pub accel_y: u16, // 10-bit
[INFO] [stdout]    |             ^^^^^^^
[INFO] [stdout] 65 |         pub accel_z: u16, // 10-bit
[INFO] [stdout]    |             ^^^^^^^
[INFO] [stdout] 66 |         pub c_button_pressed: bool,
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^
[INFO] [stdout] 67 |         pub z_button_pressed: bool,
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NunchuckReading` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 14.29s
[INFO] running `Command { std: "docker" "inspect" "60ad16eacb935e72dc18f5b7c33b49414b078ce6e06ee9420fa1cc22dc8be89a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60ad16eacb935e72dc18f5b7c33b49414b078ce6e06ee9420fa1cc22dc8be89a", kill_on_drop: false }`
[INFO] [stdout] 60ad16eacb935e72dc18f5b7c33b49414b078ce6e06ee9420fa1cc22dc8be89a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d79836b3c5639761d64500b7d35673bd62024cc21a00fd9c2976195450f523c2
[INFO] running `Command { std: "docker" "start" "-a" "d79836b3c5639761d64500b7d35673bd62024cc21a00fd9c2976195450f523c2", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr] warning: multiple fields are never read
[INFO] [stderr]   --> examples/nunchuck.rs:61:13
[INFO] [stderr]    |
[INFO] [stderr] 60 |     pub struct NunchuckReading {
[INFO] [stderr]    |                --------------- fields in this struct
[INFO] [stderr] 61 |         pub joystick_x: u8,
[INFO] [stderr]    |             ^^^^^^^^^^
[INFO] [stderr] 62 |         pub joystick_y: u8,
[INFO] [stderr]    |             ^^^^^^^^^^
[INFO] [stderr] 63 |         pub accel_x: u16, // 10-bit
[INFO] [stderr]    |             ^^^^^^^
[INFO] [stderr] 64 |         pub accel_y: u16, // 10-bit
[INFO] [stderr]    |             ^^^^^^^
[INFO] [stderr] 65 |         pub accel_z: u16, // 10-bit
[INFO] [stderr]    |             ^^^^^^^
[INFO] [stderr] 66 |         pub c_button_pressed: bool,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^
[INFO] [stderr] 67 |         pub z_button_pressed: bool,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `NunchuckReading` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `i2cdev` (example "nunchuck") generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/i2cdev-4dd9507aafa20f3f)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test mock::test::test_can_read_at_zero_offset ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests i2cdev
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 51) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 75) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 20) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.30s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d79836b3c5639761d64500b7d35673bd62024cc21a00fd9c2976195450f523c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d79836b3c5639761d64500b7d35673bd62024cc21a00fd9c2976195450f523c2", kill_on_drop: false }`
[INFO] [stdout] d79836b3c5639761d64500b7d35673bd62024cc21a00fd9c2976195450f523c2